INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8e51b5608821eb919dfa7d687c60159dc571f9c6eaeaa22432f825378a674f86', 
    'QMESywVtRyv9ZWgcYABYb8WL+gf/gwAEdrefCgR1Myw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)